223444320000023 has 4 divisors (see below), whose sum is σ = 223444609378848. Its totient is φ = 223444030621200.

The previous prime is 223444319999983. The next prime is 223444320000047. The reversal of 223444320000023 is 320000023444322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223444320000023 - 2²² = 223444315805719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223444320000523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143528078 + ... + 145076523.

It is an arithmetic number, because the mean of its divisors is an integer number (55861152344712).

Almost surely, 2^{223444320000023} is an apocalyptic number.

223444320000023 is a deficient number, since it is larger than the sum of its proper divisors (289378825).

223444320000023 is an equidigital number, since it uses as much as digits as its factorization.

223444320000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289378824.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 223444320000023 its reverse (320000023444322), we get a palindrome (543444343444345).

The spelling of 223444320000023 in words is "two hundred twenty-three trillion, four hundred forty-four billion, three hundred twenty million, twenty-three", and thus it is an aban number.